2540510443 has 2 divisors, whose sum is σ = 2540510444. Its totient is φ = 2540510442.

The previous prime is 2540510383. The next prime is 2540510473. The reversal of 2540510443 is 3440150452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2540510443 - 2²¹ = 2538413291 is a prime.

It is not a weakly prime, because it can be changed into another prime (2540510473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270255221 + 1270255222.

It is an arithmetic number, because the mean of its divisors is an integer number (1270255222).

Almost surely, 2^2540510443 is an apocalyptic number.

2540510443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2540510443 is an equidigital number, since it uses as much as digits as its factorization.

2540510443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2540510443 is about 50403.4764971624. The cubic root of 2540510443 is about 1364.5003816746.

Adding to 2540510443 its reverse (3440150452), we get a palindrome (5980660895).

The spelling of 2540510443 in words is "two billion, five hundred forty million, five hundred ten thousand, four hundred forty-three".